Improvement in vessel s hatches



vto the annexed drawings making a partei this specifi,-`

i combings.

tintin/D f tate JOSHUA P; MADDOX, or BELFAs'L Marian.v

Letters Patent No. 109,330, dated November 15, 1870.

IMPROVEMENT IN VESSELS HATCHES.

The. Schedule referred to in thse Letters Patent and making part of thesame.

To all Yz choml zt nitty concern Be it known that I, JOsHtA li. Marmor,of Belfast, in the county of falde and State of Maille, hwe inventedanew and valuable Improvement in Vessels Hatches; ,and I 41o-herebydeclare thatthe followingr is a full, clear, and exact description ot'`the construevtion and operation of the same, referenee'beng lia-dcation, `and t0 the letters and figures ot' reference marked thereon..

Vligure'lrof'tl-ie drawings is a representation ot' the hatch closed.

(.1, o a arc the lhatches;

bl), the levers used in pressing thehateh into the The short lever 7:.extends only part of the width ot' the hatches, one end passing througha becket or shackle, c, attached to the hatch-combing. This lever 'isot' the saine thickness throughout its whole length.

A long lever, b, passes under a shackle on the opposite combing, andpasses directly over the whole length oi' the short lever, and fastensby a staple afrixedto the short lever passing through a hole in the longlever.

A guard, d, holds the under lever in place; or it may be h'eld by astanding bolt passing through the upper leve r.

The levers may run fore and aft, or athwart ships.

`Cla/im..

What l claim as my invention, and wish to secure by Letters Patent, is

The method of pressing down and securingvessels hatches by. doublelevers, or their equivalent, as herein described.

, In testmonythat I claiml the above, I have hereunto subscribed mypnamein the presence of t-wo wittresses.

JOS HUA?.- MADDOX.

Witnesses WM. H. FOGLER, G. D. MCCRILLrs.

not offro.,

